Overflow edge
From：
Gaoming Foundation Date：12-22 3501 Belong to：Cold rolling knowledge
Defect Name: overflow edge < br / > definition and appearance: < br / > when the steel strip is rolled, the end face formed by the edge is uneven, protruding from one circle to another, and then concave from one circle to another& nbsp; 
< Br / > causes: < br / > ● when the steel coil is pushed down from the coiler, the inner ring is brought out by the drum< Br / > ● centering device failure< Br / > ● poor shape< Br / > ● improper screwdown adjustment and uneven deformation< Br / > hazard: ● easy to cause edge damage< Br / > prevention and elimination methods: < br / > ● keep the drum in good working condition< Br / > ● maintain the centering device< Br / > ● operate in strict accordance with the technical regulations< Br / > inspection and judgment: < br / > ● check with naked eyes and measure the overflow edge with measuring tools< Br / > ● the determination method is the same as the tower shape< br/>
< Br / > causes: < br / > ● when the steel coil is pushed down from the coiler, the inner ring is brought out by the drum< Br / > ● centering device failure< Br / > ● poor shape< Br / > ● improper screwdown adjustment and uneven deformation< Br / > hazard: ● easy to cause edge damage< Br / > prevention and elimination methods: < br / > ● keep the drum in good working condition< Br / > ● maintain the centering device< Br / > ● operate in strict accordance with the technical regulations< Br / > inspection and judgment: < br / > ● check with naked eyes and measure the overflow edge with measuring tools< Br / > ● the determination method is the same as the tower shape< br/>
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